Louvered Weep Hole

📎 Submittal Required

Please download and complete the Louvered Weep Hole Submittal Sheet before purchase to ensure correct selection and application.

Louvered Weep Holes – 3602 Series

One-way moisture drainage and ventilation for cavity walls.

The 3602 Louvered Weep Hole is a functional insert that promotes proper drainage and airflow in masonry cavity walls. Its louvered design allows water to exit the wall system while preventing reverse water intrusion—helping maintain pressure equalization and reducing the risk of water penetration.

Made from flexible, injection-molded PVC, this weep is designed to resist mortar blockage with an integrated rectangular closure strip and compressible flanges that fit joint widths from ½" to ¾".

Product Features:

• Allows water out while restricting water from re-entering

• Enhances cavity wall ventilation and pressure equalization

• Prevents mortar droppings from blocking drainage

• Made from durable, flexible PVC

• Flanges compress to fit ½"–¾" mortar joints

Available Sizes:

• Standard: 2¼"

• Medium: 2⅞"

• Large: 3½"